🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 9.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 13 Hours

Environment

Temp: -133 °C

Axial Tilt: 176.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,060,530 km

• M1: 122,072 km (0.112 R)
• M2: 500,106 km (0.111 R)
• M3: 922,271 km (0.032 R)
• M4: 1,387,221 km (0.108 R)
• M5: 1,789,340 km (0.11 R)
• M6: 2,107,385 km (0.103 R)
• M7: 2,539,573 km (0.065 R)
• M8: 3,069,000 km (0.108 R)
• M9: 3,402,155 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 10.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.73 AU - 1.15 AU

Year: 618 Days

Day: 7.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,060,530 km

• M1: 128,056 km (0.09 R)
• M2: 661,821 km (0.032 R)
• M3: 997,967 km (0.093 R)
• M4: 1,506,002 km (0.101 R)
• M5: 1,933,253 km (0.081 R)
• M6: 2,499,332 km (0.116 R)
• M7: 2,935,709 km (0.077 R)
• M8: 3,949,384 km (0.09 R)
• M9: 4,529,375 km (0.118 R)
• M10: 5,052,818 km (0.114 R)
• M11: 5,667,665 km (0.107 R)
• M12: 6,038,518 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.2

Radius: 13.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.11 AU - 1.65 AU

Year: 1100 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,060,530 km

• M1: 163,211 km (0.097 R)
• M2: 754,572 km (0.115 R)
• M3: 1,215,632 km (0.067 R)
• M4: 2,458,791 km (0.087 R)
• M5: 3,103,857 km (0.116 R)
• M6: 3,532,006 km (0.052 R)
• M7: 4,015,506 km (0.111 R)
• M8: 4,474,622 km (0.119 R)
• M9: 6,047,195 km (0.081 R)
• M10: 7,252,056 km (0.083 R)
• M11: 8,321,082 km (0.118 R)
• M12: 8,853,052 km (0.069 R)
• M13: 9,322,939 km (0.057 R)
• M14: 9,780,410 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.6

Radius: 14

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.16 AU - 1.85 AU

Year: 1246 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,060,530 km

• M1: 174,132 km (0.038 R)
• M2: 717,023 km (0.032 R)
• M3: 1,595,611 km (0.047 R)
• M4: 2,640,702 km (0.099 R)
• M5: 3,218,449 km (0.119 R)
• M6: 3,846,460 km (0.071 R)
• M7: 4,593,103 km (0.073 R)
• M8: 5,649,713 km (0.088 R)
• M9: 7,114,576 km (0.082 R)
• M10: 7,772,208 km (0.095 R)
• M11: 8,819,842 km (0.092 R)
• M12: 9,424,217 km (0.109 R)
• M13: 11,510,808 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.2

Radius: 8.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.88 AU - 2.4 AU

Year: 2123 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,060,530 km

• M1: 102,923 km (0.106 R)
• M2: 520,900 km (0.098 R)
• M3: 811,120 km (0.112 R)
• M4: 1,080,994 km (0.044 R)
• M5: 1,515,726 km (0.06 R)
• M6: 1,799,662 km (0.095 R)
• M7: 2,257,432 km (0.117 R)
• M8: 2,514,441 km (0.106 R)
• M9: 3,001,083 km (0.056 R)
• M10: 3,282,327 km (0.09 R)
• M11: 3,712,570 km (0.062 R)
• M12: 4,344,322 km (0.082 R)
• M13: 5,253,428 km (0.076 R)
• M14: 5,708,206 km (0.105 R)
• M15: 6,189,163 km (0.073 R)
• M16: 7,363,656 km (0.102 R)
• M17: 8,769,128 km (0.114 R)
• M18: 9,040,050 km (0.09 R)
• M19: 9,789,685 km (0.104 R)
• M20: 10,114,013 km (0.1 R)
• M21: 11,306,009 km (0.093 R)
• M22: 11,591,292 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 14.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.99 AU - 2.69 AU

Year: 2428 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,060,530 km

• M1: 179,667 km (0.096 R)
• M2: 632,649 km (0.031 R)
• M3: 1,082,191 km (0.081 R)
• M4: 2,416,454 km (0.097 R)
• M5: 3,074,087 km (0.038 R)
• M6: 3,591,994 km (0.065 R)
• M7: 4,086,715 km (0.067 R)
• M8: 5,688,459 km (0.088 R)
• M9: 6,277,127 km (0.094 R)
• M10: 7,528,064 km (0.068 R)
• M11: 9,218,819 km (0.065 R)
• M12: 9,678,533 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.3

Radius: 11.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.95 AU - 5.13 AU

Year: 6561 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,060,530 km

• M1: 146,905 km (0.091 R)
• M2: 714,180 km (0.106 R)
• M3: 1,217,577 km (0.094 R)
• M4: 1,618,499 km (0.059 R)
• M5: 3,713,318 km (0.066 R)
• M6: 4,309,466 km (0.092 R)
• M7: 5,725,260 km (0.033 R)
• M8: 9,099,290 km (0.111 R)
• M9: 10,955,650 km (0.068 R)
• M10: 11,507,816 km (0.113 R)
• M11: 12,397,475 km (0.116 R)
• M12: 13,164,014 km (0.109 R)
• M13: 15,157,406 km (0.088 R)
• M14: 15,780,182 km (0.077 R)
• M15: 16,226,133 km (0.058 R)
• M16: 23,388,879 km (0.086 R)
• M17: 27,839,565 km (0.077 R)
• M18: 32,413,969 km (0.036 R)
• M19: 32,928,287 km (0.101 R)
• M20: 33,867,761 km (0.117 R)
• M21: 35,473,245 km (0.062 R)
• M22: 35,909,922 km (0.116 R)
• M23: 36,571,443 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.9

Radius: 4.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.34 AU - 8.06 AU

Year: 13104 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,060,530 km

• M1: 70,012 km (0.108 R)
• M2: 505,790 km (0.076 R)
• M3: 1,416,093 km (0.056 R)
• M4: 2,018,374 km (0.113 R)
• M5: 3,943,250 km (0.041 R)
• M6: 4,727,742 km (0.115 R)
• M7: 7,812,001 km (0.089 R)
• M8: 9,505,150 km (0.103 R)
• M9: 11,772,305 km (0.084 R)
• M10: 12,022,134 km (0.117 R)
• M11: 14,206,562 km (0.058 R)
• M12: 15,421,745 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 19,315 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit